436827
Owner’s Manual
STEREO RACK MONITOR
(DIGITAL I/O VERSION)
Model RM-2
MONO
L
MUTE
VU
0
2
4
6
+
R
-
28 20 16
10
7
5
3
0
2
4
6
+
-
-
28 20 16
10
7
5
3
PEAK
[dBFS]
60 52 44 36 28
20 16 12
6
4
2
0
OL
60 52 44 36 28
20 16 12
6
4
2
0
OL
-
DIGITAL
CH SEL
INPUT
RM-2
ANALOG
DIGITAL
STEREO RACK MONITOR
L
R
PHONES
MIN
MAX
Introduction
Thank you very much for purchasing the Fostex Model RM-2.
The Model RM-2 is a rack-mountable powered monitor system which allows
you to monitor digital or analog audio signals.
It incorporates a 10 W x 2 power amplifier and outputs signals from the inter-
nal speakers (or from the headphones output jack). You can check the input
level via the 26-dot LED meters.
Read this owner's manual thoroughly before using. We hope you will use the
RM-2 for a long time.
Table of contents
Safety instruction .....................................................................................................2
Names and functions ...............................................................................................4
After turning on the power ..........................................................................4
Indication of channel selection ...................................................................6
"System mute" and "user mute" .................................................................6
Main specifications ..................................................................................................7
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Model RM-2 Owner’s Manual
Important Safety Instructions
1)
2)
3)
4)
5)
6)
7)
Read these instructions.
Keep these instructions.
Heed all warnings.
11) Only use attachments/accessories
specified by the manufacturer.
12) Use only with the cart, stand, tripod,
bracket, or table specified by the
manufacturer, or sold with the apparatus.
When a cart is used, use caution when
moving the cart/apparatus combination
to avoid injury from tip-over.
Follow all instructions.
Do not use this apparatus near water.
Clean only with dry cloth.
Do not block any ventilation openings.
Install in accordance with the
manufacturer's instructions.
8)
9)
Do not install near any heat sources such
as radiators, heat registers, stoves, or
other apparatus (including amplifiers) that
produce heat.
13) Unplug this apparatus during lightning
storms or when unused for long periods
of time.
14) Refer all servicing to qualified service
personnel. Servicing is required when the
apparatus has been damaged in any
way, such as power-supply cord or plug
is damaged, liquid has been spilled or
objects have fallen into the apparatus, the
apparatus has been exposed to rain or
moisture, does not operate normally, or
has been dropped.
Do not defeat the safety purpose of the
polarized or grounding-type plug.
A polarized plug has two blades with one
wider than the other. A grounding type
plug has two blades and a third grounding
prong. The wide blade or the third prong
are provided for your safety.
If the provided plug does not fit into your
outlet, consult an electrician for
replacement of the obsolete outlet.
10) Protect the power cord from being walked
on or pinched particularly at plugs,
convenience receptacles, and the point
where they exit from the apparatus.
3
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Model RM-2 Owner’s Manual
Names and functions
After turning on the power
Each time you turn on the power, the RM-2 is muted and the "MUTE" indicator flashes. (Figure 1 below
shows the condition of the status information section when you first turn on the power after purchas-
ing the RM-2.)
To use the RM-2, therefore, press the [CH SEL] key to unmute the RM-2 (see Figure 2 below).
The "MUTE" indicator turns off. In particular conditions, the system mute function works and the RM-
2 is automatically muted, while you can manually mute it whenever you want. See page 6 for details.
Figure 1
Figure 2
MONO
L
MUTE
MONO
L
MUTE
VU
0
6
2
4
4
2
6
0
+
R
-
-
28 20 16
10
7
5
3
0
6
2
4
4
2
6
0
+
-
-
28 20 16
10
7
5
3
R
PEAK
[dBFS]
60 52 44 36 28
20 16 12
OL
60 52 44 36 28
20 16 12
OL
DIGITAL
CH SEL
INPUT
RM-2
ANALOG
DIGITAL
STEREO RACK MONITOR
L
R
PHONES
MIN
MAX
DIGITAL
Press the [CH SEL] key.
Lighting
Lighting
Flashing
1
1
<Front panel>
MONO
L
MUTE
VU
0
2
4
6
+
R
-
-
28 20 16
10
7
5
3
0
6
2
4
4
2
6
0
+
-
-
28 20 16
10
7
5
3
PEAK
[dBFS]
60 52 44 36 28
20 16 12
6
4
2
0
OL
60 52 44 36 28
20 16 12
OL
DIGITAL
CH SEL
INPUT
RM-2
ANALOG
DIGITAL
STEREO RACK MONITOR
L
R
PHONES
MIN
MAX
3
2
2
MONO
L
MUTE
VU
0
6
2
4
4
2
6
+
R
-
-
28 20 16
10
7
5
3
0
6
2
4
4
2
6
0
+
-
-
28 20 16
10
7
5
3
PEAK
60 52 44 36 28
20 16 12
0
OL
60 52 44 36 28
20 16 12
OL
[dBFS]
DIGITAL
CH SEL
INPUT
RM-2
ANALOG
DIGITAL
STEREO RACK MONITOR
L
R
PHONES
MIN
MAX
6
7
5
4
1) Internal speakers
2) LED level meters
4) [INPUT] (input select) switch
This switch selects the input signal between
analog and digital.
These meters show the input levels of digital or
analog input signals.
You can monitor the analog signals re-
ANALOG
ceived via the [ANALOG INPUT] connec-
tors.
(
)
The levels of digital input signals
are shown by peak metering.
The peak value is hold for three
When the [INPUT]
switch is set to
DIGITAL
seconds.
You can monitor the digital signal received
via the [DIGITAL INPUT] connectors.
When the unit receives a correct digital
signal and works correctly, the "DIGITAL"
indicator in the status information section
lights. When the unit does not receive a
correct digital signal or does not work cor-
rectly, the "DIGITAL" indicator flashes.
DIGITAL
The levels of analog input signals
are shown by VU metering.
The peak value is hold.
When the [INPUT]
switch is set to
ANALOG
(
)
When digital input is selected:
Peak metering, 0 dB: 0dBFS
When analog input is selected:
VU metering, 0dB: +4 dBu/-10 dBV
<Notes>: When switching the input signal (be-
tween analog and digital), the system mute
function works and unit is automatically
muted for a while (the [MUTE] indicator
lights). This prevents the noise from being
generated from the speaker units when
switching the signal. Muting is automatically
released after a few seconds.
3) Status information section
This section indicates the status of the [CH SEL]
key and [INPUT] switch, as well as mute on/off
status. See page 6 for details.
See page 6 for details about the system mute
function.
4
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Model RM-2 Owner’s Manual
The following shows which signal is output from
each internal speaker unit for each channel se-
lection.
5) [CH SEL] (channel select) key
This key switches the channel(s) to be
monitored.
Each press of the key switches the channel(s)
in the following order (by default when
turning on the power, "stereo" is selected).
The current selection is shown by the
indicators in the status information section (see
page 6 for the indication of channel selection).
When "Stereo" is selected
MONO
L
MUTE
VU
-
2
8
2
0
1
6
10
7
5
3
0
2
4
6
+
R
-
2
8
2
0
1
6
10
7
5
3
0
2
4
6
+
PEAK
[dBFS]
6
0
5
2
4
4
3
6
2
8
2
0
1
6
1
2
6
4
2
0
OL
-
-
6
0
5
2
4
4
3
6
2
8
2
0
1
6
1
2
6
4
2
0
OL
DIGITAL
CH SEL
INPUT
RM-2
ANALOG
DIGITAL
R
STEREO RACK MONITOR
L
L
R
PHONES
MIN
MAX
When "Mono (L+R)" is selected
MONO
L
MUTE
VU
-
2
8
2
0
1
6
10
7
5
3
0
2
4
6
+
R
-
2
8
2
0
1
6
10
7
5
3
0
2
4
6
+
PEAK
[dBFS]
6
0
5
2
4
4
3
6
2
8
2
0
1
6
1
2
6
4
2
0
OL
-
-
6
0
5
2
4
4
3
6
2
8
2
0
1
6
1
2
6
4
2
0
OL
DIGITAL
CH SEL
INPUT
RM-2
STEREO RACK MONITOR
ANALOG
DIGITAL
L+R
L+R
L
R
PHONES
MIN
MAX
Stereo
When "Mono (L only)" is selected
MONO
L
MUTE
VU
-
2
8
2
0
1
6
10
7
5
3
0
2
4
6
+
R
-
2
8
2
0
1
6
10
7
5
3
0
2
4
6
+
PEAK
[dBFS]
6
0
5
2
4
4
3
6
2
8
2
0
1
6
1
2
6
4
2
0
OL
-
-
6
0
5
2
4
4
3
6
2
8
2
0
1
6
1
2
6
4
2
0
OL
DIGITAL
CH SEL
INPUT
RM-2
STEREO RACK MONITOR
ANALOG
DIGITAL
L
L
Mono (L+R)
Mono (L only)
Mono (R only)
L
R
PHONES
MIN
MAX
When "Mono (R only)" is selected
MONO
MUTE
VU
-
2
8
2
0
1
6
10
7
5
3
0
2
4
6
+
L
R
-
2
8
2
0
1
6
10
7
5
3
0
2
4
6
+
PEAK
[dBFS]
6
0
5
2
4
4
3
6
2
8
2
0
1
6
1
2
6
4
2
0
OL
-
-
6
0
5
2
4
4
3
6
2
8
2
0
1
6
1
2
6
4
2
0
OL
DIGITAL
CH SEL
INPUT
RM-2
STEREO RACK MONITOR
ANALOG
DIGITAL
R
R
L
R
PHONES
MIN
MAX
6) Monitor output level controls
These dual concentric controls adjust the
speaker output (or headphones output) levels.
The outer control adjusts the left channel level,
while the inner control adjusts the right
channel level.
By long press of the [CH SEL] key, you can mute
the unit, while the [MUTE] indicator flashes (this
is called "user mute"). Pressing the [CH SEL] key
again release muting and the [MUTE] indicator
turns off. See page 6 for the user mute func-
tion.
7) PHONES jack
This jack is used for connecting headphones.
When a plug is inserted, the internal speakers
are cut.
<Rear panel>
CAUTION
ON
RISQUE DE CHOC ELECTRIQUE
NE PAS OUVRIR
AVIS:
OFF
WARNING:
TO REDUCE THE RISK OF FIRE OR ELECTRIC
SHOCK, DO NOT EXPOSE THIS EQUIPMENT
TO RAIN OR MOISTURE.
R
L
ANALOG INPUT
DIGITAL INPUT
POWER
AC IN
9
8
10 11
10) [POWER] switch
8) [ANALOG INPUT] connectors (XLR / 1/4" combi-
This switch turns the power on or off.
Each time you turn on the power, the RM-2 is
muted for preventing the noise from being
generated from the speaker units (the "MUTE"
indicator flashes).
jacks)
You can connect an XLR-3-12C connector or
1/4" plug to each of these combi-jack type
[ANALOG INPUT] connectors (you cannot
insert both together). Each connector accepts a
+4 dBu analog signal via XLR connection or a
-10 dBV analog signal via 1/4" connection.
11) [AC IN] connector
Connect to the AC outlet using the supplied
power cord.
Make sure that the AC outlet voltage matches
the unit.
Ground
Pin 1
HOT (+) COLD (-)
Pin 2
2
1
3
XLR
Pin 3
9) [DIGITAL INPUT] connector (XLR connector)
This connector accepts an AES/EBU digital
signal at the sampling frequency within the 44.1
kHz to 96 kHz range. You can connect an XLR-
3-12C connector.
Ground
Pin 1
HOT (+) COLD (-)
Pin 2
2
1
XLR
Pin 3
3
5
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Model RM-2 Owner’s Manual
Indication of channel selection
You can see which channel(s) is/are now selected by the [CH SEL] key via the status information
section, as below.
• When the [INPUT] switch is set to "Analog"
Stereo
Mono (L+R)
Mono (L only)
Mono (R only)
MONO
L
MUTE
MONO
MUTE
MONO
MUTE
MONO
MUTE
R
L
R
L
R
L
R
DIGITAL
DIGITAL
DIGITAL
DIGITAL
Illuminated
Illuminated
Illuminated
Illuminated
Illuminated
• When the [INPUT] switch is set to "Digital"
Mono (R only)
Stereo
Mono (L+R)
Mono (L only)
MONO
L
MUTE
MONO
MUTE
MONO
MUTE
MONO
L
MUTE
R
R
L
R
L
R
DIGITAL
DIGITAL
DIGITAL
DIGITAL
Illuminated
Illuminated Illuminated
Illuminated Illuminated Illuminated
Illuminated
Illuminated
Illuminated
"System mute" and "user mute"
The RM-2 has two mute functions. One is the "user mute" function which allows you to manually
mute the unit whenever you want, while the other is the "system mute" function which automatically
mute the unit in particular conditions.
User mute: The user mute function allows you to mute the unit manually by pressing and hold-
ing down the [CH SEL] key until the [MUTE] indicator lights up (the level meters show the input
levels regardless of the mute condition). You can release muting by pressing the [CH SEL] key
briefly.
System mute: The RM-2 is automatically muted in any of conditions (1) through (3) below (un-
like the user mute, the level meters do not show the input levels in this case). The system mute
function is activated to prevent the noise from being generated from the speaker units. In the
cases of (1) and (2) below, muting is released after a few seconds. In the case of (3), muting is
released when the unit locks to the external digital signal.
(1) When you turn on the power.
(2) When you press the [INPUT] switch to switch the input.
(3) When the unit does not lock to the external digital clock while selecting the digital input.
<Note>: When you turn on the power, both the user mute and system mute functions are
activated. Therefore, system muting is automatically released after a few seconds but user
muting is not released automatically. So you have to press the [CH SEL] key to release user
muting.
The MUTE indicator shows mute status. When the system mute is active, the MUTE indicator is lit.
When the user mute is active, the MUTE indicator flashes. As the user mute status takes priority to
the system mute status, the MUTE indicator shows the status as follows.
System mute
MONO
L
MUTE
R
OFF
Unlit
ON
Lit
OFF
ON
User mute
DIGITAL
Flashing
Flashing
MUTE LED
6
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Model RM-2 Owner’s Manual
Main Specifications
<Speaker section>
• Unit:
110 x 40 mm, cone type, magnetically shielded type x 2
• Impedance:
8 ohms
• Output sound pressure level:
• Frequency response:
84 dB/W (1m)
200 Hz to 20 kHz
<Power amplifier section>
• Rated output power:
• Residual noise:
• Distortion:
10 W or more (8 ohms, 1 kHz)
-60 dBV or less (DIN AUDIO)
0.5 % or less (10 W/4ohms, 1 kHz)
• Digital input
Connector:
XLR-3-31 type
Format:
Sampling frequency:
• Analog input
IEC 60958 (AES/EBU)
44.1 kHz to 96 kHz
Connector:
XLR/ 1/4 combi-jack
Nominal input level:
Input impedance:
• PHONES
+4 dBu (XLR), -10 dBV (1/4")
10 kohms or more
Connector:
1/4-inch stereo jack
Applicable load impedance:
Rated output power:
• Level meters:
8 ohms or more
20 mW + 20 mW (32 ohms, 1 kHz)
26-dot LED meter x 2
When digital input is selected: Peak metering, 0 dB: 0dBFS
When analog input is selected: VU metering, 0dB: +4 dBu/-10 dBV
<General>
• External dimensions:
• Weight:
430 (W) x 44 (H) x 260 (D) mm
Approximately 3.5 kg
• Power requirement:
120VAC 60Hz (for US and CANADA version)
230VAC~240VAC 50/60Hz (for Europe version)
10 W
• Power consumption:
• Supplied accessories:
Power cord, Owner's manual, Rack mount adaptor x 2, Rubber foot x 4
* Specifications and appearance are subject to change without notice for product improvement.
430
482
MONO
L
MUTE
VU
0
6
2
4
4
2
6
0
+
R
-
-
28 20 16
10
7
5
3
0
6
2
4
4
2
6
0
+
-
-
28 20 16
10
7
5
3
PEAK
[dBFS]
60 52 44 36 28
20 16 12
OL
60 52 44 36 28
20 16 12
OL
DIGITAL
CH SEL
INPUT
RM-2
ANALOG
DIGITAL
STEREO RACK MONITOR
L
R
PHONES
MIN
MAX
7
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FOSTEX CO.
3-2-35, Musashino, Akishima-shi, Tokyo, Japan, 196-0021
FOSTEX AMERICA
13701 Cimarron Avenue Gardena, CA 90249 U.S.A.
© PRINTED IN JAPAN OCT. 2005 FX (436827)
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